منابع مشابه
Charm Decays
To write a review on charm decays is not an easy task because of the large amount (fortunately!) of experimental results in the recent years. I was forced to make a selection of topics. I am going to discuss with the eyes of an experimentalist: D-D 0 mixing, CP violation, rare decays, charm lifetimes, semileptonic decays, hadronic decays, and the big surprise of the DsJ states. Obviously there ...
متن کاملCharm fragmentation and excited charm and charm-strange mesons at ZEUS
Charm hadrons were produced copiously in ep collisions with a centre-of-mass energy of 318GeV at HERA providing a means to study charm hadronisation. During first phase of the HERA operation (1992-2000), the ZEUS collaboration accumulated data sample corresponding to an integrated luminosity of ∼ 120 pb. Measurements of the D, D, D and Λc production a with the HERA I data were used to determine...
متن کاملCharm Lifetime
A review of the charmed meson and baryon lifetimes is presented. Our knowledge of charmed particle lifetimes has greatly improved over the past two years, a crucial rôle having been played by the E687 experiment at Fermilab, which has almost quadrupled the samples of D mesons. The lifetime ratios τ (D +)/τ (D 0) and τ (D + s)/τ (D 0) are now known with an accuracy of 1.7% and 3.7% respectively....
متن کاملCharm and hidden charm scalar mesons in the nuclear medium
We study the renormalization of the properties of the low lying charm and hidden charm scalar mesons in a nuclear medium, concretely of the D s0 (2317), D 0 (2400) and the theoretical hidden charm state X(3700). We find that for the D s0 (2317), with negligible width at zero density, the width becomes about 100 MeV at normal nuclear matter density, while in the case of the X(3700) the width bec...
متن کاملThe Charm Physics Potential of a Tax&charm Factory*
The charm physics program accessible to a Tau-Charm Factory is summarized. Semileptonic,’ leptonic, hadronic, rare and forbidden charm decay modes are discussed, as well as 00 charm sector. The theoretical b” mixing and CP violation in the 73 ectations in the Standard Model and beyond as well as the experiment capabilities of a Tau-Charm Factory are examined for each of the above processes.
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ژورنال
عنوان ژورنال: The Science of Nature
سال: 1976
ISSN: 0028-1042,1432-1904
DOI: 10.1007/bf00622794